This project includes several tools for google map api developed by CGA (center for geographic analysis) of Harvard University.

The cga-gmaps-tools primary provides some utilities to 1) better actualize the temporal Web GIS, and 2) to effiently use google map.

Timeslider

An simple toolkit for time control.

Example: earthquakes (with GeoRSS data from USGS), hike (with kml based GPS data), markercluster

LogoControl for Google Map

An very simple but useful GControl instance. Users can define their own logo and overlay them onto Google map. What's more, the logo will link to the page you indicate.

Example: logo-simple, logo-customized